Submission #660260

#	Time	Username	Problem	Language	Result	Execution time	Memory
660260		Truitadepatates	Coins (IOI17_coins)	C++14	Compilation error	0 ms	0 KiB

coins

#include <bits/stdc++.h>
using namespace std;

#include "coins.h"

vector<int> coins_flips(vector<int> b, int c){
  int ans = 0;
  for (int i = 0; i < 64; i++){
    if (b[i] == 1) ans ^= i;
  }
  ans ^= c;
  vector<int> flip(1);
  flip[0] = ans;
  return flip;
}

int find_coin(vector<int> b){
  int c = 0;
  for (int i = 0; i < 64; i++){
    if (b[i] == 1) c ^= i;
  }
  return c;
}

Compilation message (stderr)

/usr/bin/ld: /tmp/ccker9jw.o: in function `main':
grader.cpp:(.text.startup+0x3a5): undefined reference to `coin_flips(std::vector<int, std::allocator<int> >, int)'
collect2: error: ld returned 1 exit status